000 00386nam a2200121Ia 45e0
008 181001s1969 xx 000 0 und d
100 _aBergmann P.G.
245 0 _aIntroduction to the theory of Relativity
260 _aDelhi
_bPrentice Hall Delhi
_c1969
300 _a287
942 _2ddc
_cBK
999 _c1029
_d1029